Pennington New Jersey Climate Data

Monthly Average Climate Data for Pennington New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.8 °F39.6 °F3.57 in.
February24.1 °F42.3 °F2.84 in.
March31.2 °F50.3 °F4.23 in.
April41.2 °F62.3 °F3.75 in.
May51.2 °F71.9 °F4.16 in.
June60.2 °F81.0 °F4.54 in.
July65.5 °F85.8 °F5.04 in.
August63.8 °F83.9 °F4.52 in.
September56.6 °F77.5 °F4.13 in.
October44.9 °F65.4 °F4.08 in.
November34.9 °F54.8 °F3.44 in.
December27.7 °F44.6 °F4.45 in.
Annual43.7 °F63.3 °F48.75 in.

Climate Data for Pennington New Jersey

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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